Carbon Light & Sound helps fight the effects of seasonal affective disorder (SAD), which can effect over 10 million Americans every year. Studies show that SAD symptoms can be alleviated with just 30 minutes of exposure per day. Carbon Light & Sound provides 12,500 lumens of UV-free light, and low distortion audio speakers. To make the most of the your 30 minutes of light replenishment. Many owners find that placing it on a kitchen or dining room table is an easy way to get their 30 minutes each day. Not to mention catching up on their podcasts!